Melting point :254-256 °C(lit.)
Boiling point :bp0.03 93°
Density :1.25 (14% aq.)
vapor pressure :<0.1 mm Hg ( 25 °C)
storage temp. :2-8°C
solubility :Chloroform, Ethyl Acetate
form :Solid
pka :-2.03±0.20(Predicted)
color :Yellow
Water Solubility :489g/L at 20℃
BRN :606203
Cosmetics Ingredients Functions :PRESERVATIVE
Cosmetic Ingredient Review (CIR) :2-Methyl-4-isothiazolin-3-one (2682-20-4)
InChI :1S/C4H5NOS/c1-5-4(6)2-3-7-5/h2-3H,1H3
InChIKey :BEGLCMHJXHIJLR-UHFFFAOYSA-N
SMILES :CN1SC=CC1=O
LogP :-0.486 at 20℃
CAS DataBase Reference :2682-20-4(CAS DataBase Reference)
NIST Chemistry Reference :3(2H)-isothiazolone, 2-methyl-(2682-20-4)
EPA Substance Registry System :2-Methyl-3(2H)-isothiazolone (2682-20-4)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H330 Fatal if inhaled Acute toxicity,inhalation Category 1, 2 Danger P260, P271, P284, P304+P340, P310,P320, P403+P233, P405, P501 H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P260 Do not breathe dust/fume/gas/mist/vapours/spray. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.